Swivel hook



FIG. 1 is a perspective view of a swivel hook embodying my new design;

FIG. 2 is a slightly enlarged front side view thereof;

FIG. 3 is a first lateral-side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear-side view thereof; and,

FIG. 6 is a second lateral-side view thereof. 

The ornamental design for a swivel hook, as shown and described. 